title: Influence of packing media on nitrogen removal in a subsurface infiltration system.
mesh_terms: D000538:Aluminum Silicates; D000077215:Clay; D005374:Filtration; D008422:Materials Testing; D009584:Nitrogen / Q000302:isolation & purification*; D010084:Oxidation-Reduction; D012987:Soil; D014865:Waste Disposal, Fluid / Q000379:methods*; D018508:Water Purification / Q000379:methods*
chemical_list: D000538:Aluminum Silicates; D012987:Soil; D009584:Nitrogen; D000077215:Clay